Muhannad Ali Alqahtani, Rawan Mansour Kamrig, Majed Tariq Iskandarani, Mishari Fahad Al-Ghamdi, Mutlaq Dhafer Al-Zulaiq,Ahmad Ali Althaqafi, MAJED MENWER NAWER ALL AHYANI and AHMAD FAHAD ALRASHDI, Saad Mohammed Al-Shahri , Riyadh saleh Alzahrani, “Industrial respirators and their impact on cases of infectious infections in the hospitals in Mecca during the Hajj season”, JICRCR, pp. 3146–3155, Oct. 2024.